Thanks for comments on AQ's Sur l'homme moyen. Translator of JH's work is too timid to allow himself to be known, but appreciates JH's compliments. Says practical statistics has progressed whereas philosophical statistics remains stationary.

Because of work on the first number of the new Royal Geographical Society magazine, a manual of geography, and other things, HWB finds he must decline CD’s invitation.

Informs CD of K. G. Semper’s desire to meet him and to discuss new information on volcanic phenomena, geographical distribution, etc.

Asks CD to sign enclosed certificate first, as he does not know T. H. Farrer personally. [On top part of first two pages of a letter to Hooker from H. C. Rothery about Farrer’s nomination for Linnean Society]

No summary available.

Thanks CD for invitation to Down.

Wonders if George Darwin can explain why a thin stream of water poured from a jug always spirals right to left.

Discusses the top-knot turkey and the occasional appearance of the top-knot in a breed of cream-coloured turkeys.

Peloric forms of flowers: Clitoria Ternatea.

Reports a case of peculiar colouring in grapes, each with well-defined segments of purple.

Hoped to succeed late William H. Barton as comptroller and deputy master of Mint, but learned that government plans to make this office a political appointment. Seeks testimonial from JH on CS's behalf.

Gratitude for JH's recollection of circumstances that led to CS's appointment at Royal Mint. Death of W. H. Barton, whose duties CS took over. Lists famous persons who have written to Treasury on CS's behalf, when Treasury is planning to replace CS with a political appointee.

Sends two papers; glad CD appreciates two he has already sent. Cannot send two others on glaciers (Philosophical Magazine, 1866 and 1867).

Wishes correspondent to investigate immediately the loss of two boxes in transit.

Athenæum [Owen’s?] attack on JDH [BAAS address] and CD. False statement that CD’s sole groundwork is from pigeons.

Agrees with JDH on foolishness of Red Lion Club.

Huxley’s want of judgment.

JDH’s argument about astronomy and astronomers.

Pall Mall Gazette [8 (1868): 593, 595–6] and Morning Advertiser on JDH’s address.

Invites JJW to visit Down. Will try to get A. R. Wallace and H. W. Bates also.

Surprised and pleased JBI liked his "big book" [Variation].

Luckily, naturalists do not seem to think he has committed suicide with the work.

CD wants to turn over the school accounts to John Robinson [curate of Down]. Writes of other parish news.

Will vote in person for Sir John Lubbock.

Thanks GHKT and S. O. Glenie for information about fowls.

Would like information on the first plumage of poultry.

Appreciates MJB’s address [Rep. BAAS 38 (1868): 83–7]. Has had great respect for MJB’s knowledge since his undergraduate days at Cambridge.

Agrees that Pangenesis gemmules probably do not develop into free cells, but penetrate other cells in a manner analogous to fertilisation, and modify their development.